Taco 3450-1 Feed Valve and Backflow Preventer

Taco 3450-1 Feed Valve and Backflow Preventer provides dependable boiler feed and backflow protection for hydronic heating systems. This Type 1-Piece valve features an internal check valve and a pressure regulating cartridge to maintain safe, consistent boiler water levels.

Engineered with a forged brass body, the 1/2 inch nominal size fits a broad range of installations. End connections are Female Threaded x Soldered Union, offering flexible piping options. The unit delivers a 25 GPM flow rate and a 210°F temperature rating, with a 150 PSI pressure rating to handle demanding boiler feeds. An EPDM gasket ensures a reliable seal and long service life. The Taco 3450-1 is ASSE 1081 compliant for proven backflow prevention in compliant systems.

• Type 1-Piece design with an internal check valve
• 1/2" nominal size with Female Threaded x Soldered Union connections
• Forged brass body for durability in heating systems
• Flow rate 25 GPM, temperature rating 210°F, pressure rating 150 PSI
• Includes EPDM gasket and ASSE 1081 compliance for safety